Johnson/Evinrude - 4 1/4 Gearcase - 13 tooth spline, 40HP E-TEC 2004-, 45-55HP (2-Cyl) 1971-99, 50-55HP (3-Cyl) 1968-69, 1994-99, 55HP E-TEC 2009-, 60HP (3-Cyl) 1970-71, 1986-2001, 60HP E-TEC 2004-, 65HP (3-Cyl) 1972-73, 1984-2001, 70HP (3-Cyl) 1974-2001, 75HP (3-Cyl) 1975-84, 75HP E-TEC 2004-, 85HP 1969-80, 1991-95, 88HP 1981-96, 90HP 1981-, 100HP 1979-80, 1988-93, 110HP 1986-89, 112HP 1994-96, 115HP 1973-, 120HP 1986-94, 125HP 1971-72, 135HP 1973-76, 140HP 1977-84, 1986-94, , OMC/Cobra - 4 1/4 Gearcase - 13 tooth spline, Model 400 Cobra 1978-91